The Nature of Things is the fifty-fifth episode of Ben 10.
While sightseeing at the Geyser Gulch National Park, the Tennyson trio uncovers Steam Smythe's steam-powered generator and must shut it down before it overloads the power grid.
- Heatblast (off-screen transformation)
- Four Arms (off-screen transformation)
- It is revealed that Diamondhead can shoot projectiles from his feet.
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